12-19. TROUBLESHOOTING CHART (continued).
g. GAGES (continued).
(1) ENGINE OIL PRESSURE GAGE FAILS TO
OPERATE WITH ENGINE RUNNING. All other
gages operate properly.
Initial Setup:
Tools/Test Equipment:
Equipment Conditions:
•Digital multimeter (DMM) (Item 13, Appendix 1)
• MASTER switch set to OFF (refer to
• General mechanic’s tool kit (Item 24,
TM 9-2350-287-10).
Appendix I)
•Remove cover from driver’s portable
instrument panel (para 7-6).
Materials/Parts:
• LockWasher (12) (Item 164, Append H)
NOTE
• Instead of using multi meter
for voltage
check, STE/lCE
troubleshooting,
INDIVIDUAL
BATTERY VOLTAGE TEST-TEST
89 may be performed.
• Instead of using multi meter
for continuity check, STE/ICE
troubleshooting, TEST 91 may
be performd.
A. 1. Disconnect wire 27 from engine oil pres-
sure gage.
2. Place multimeter red lead in wire 27, and
ground black lead.
3. Turn MASTER switch ON (refer to TM 9-
2350-287-1O).
4. Check for 24 ± 3 vdc.
5. Turn MASTER switch OFF (refer to TM 9-
2350-287-10).
Is voltage indicated?
Repair wire 27 or replace harness 12260298
(para 7-7). Verify problem is solved.
B. 1. Reconnect wire 27 to gage.
2. Disconnect wire 36 from engine oil pres-
sure gage.
Continued on next page
2-99
TM 9-2350-287-20-1
